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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 281 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.Rohan’s batting average after 8 innings is 42 runs. How many runs must Rohan score in the next innings to raise the average to 43?
  2. 2.The average of 7 numbers is 31. When one more number is added, the average becomes 36. What number was added?
  3. 3.The average of 5 numbers is 58. When one more number is added, the average becomes 62. What number was added?
  4. 4.A shop sells an average of 57 kg of sugar a day for 2 days, and then 79 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  5. 5.The average weight of 7 children is 26 kg. One child, who weighs 32 kg, leaves the group. What is the new average weight (in kg)?
  6. 6.A shop sells an average of 42 kg of sugar a day for 2 days, and then 37 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  7. 7.The average of 4 numbers is 49. When one more number is added, the average becomes 51. What number was added?
  8. 8.Marks of 4 friends in a quiz: 65, 72, 71, 96. What is their average mark?
  9. 9.Marks of 4 friends in a quiz: 20, 17, 45, 46. What is their average mark?
  10. 10.Marks of 4 friends in a quiz: 40, 30, 55, 51. What is their average mark?
  11. 11.Marks of 4 friends in a quiz: 57, 71, 81, 71. What is their average mark?
  12. 12.Diya’s batting average after 7 innings is 38 runs. How many runs must Diya score in the next innings to raise the average to 43?
  13. 13.The average of 5 numbers is 43. When one more number is added, the average becomes 46. What number was added?
  14. 14.The average of 8 numbers is 18. When one more number is added, the average becomes 22. What number was added?
  15. 15.Marks of 5 friends in a quiz: 58, 54, 44, 60, 19. What is their average mark?
  16. 16.Karan’s batting average after 12 innings is 32 runs. How many runs must Karan score in the next innings to raise the average to 37?
  17. 17.Marks of 6 friends in a quiz: 66, 67, 90, 71, 88, 80. What is their average mark?
  18. 18.The average weight of 6 children is 31 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Marks of 4 friends in a quiz: 42, 26, 29, 11. What is their average mark?
  20. 20.Kabir’s batting average after 7 innings is 23 runs. How many runs must Kabir score in the next innings to raise the average to 24?
  21. 21.A shop sells an average of 80 kg of sugar a day for 2 days, and then 38 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
  22. 22.Marks of 4 friends in a quiz: 51, 28, 25, 56. What is their average mark?
  23. 23.The average weight of 10 children is 44 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
  24. 24.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  25. 25.The average weight of 7 children is 40 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
  26. 26.Marks of 5 friends in a quiz: 12, 18, 18, 39, 43. What is their average mark?
  27. 27.The average of 9 numbers is 32. When one more number is added, the average becomes 35. What number was added?
  28. 28.The average of 6 numbers is 47. When one more number is added, the average becomes 51. What number was added?
  29. 29.Saanvi’s batting average after 12 innings is 27 runs. How many runs must Saanvi score in the next innings to raise the average to 30?
  30. 30.Manav’s batting average after 13 innings is 30 runs. How many runs must Manav score in the next innings to raise the average to 33?
  31. 31.A shop sells an average of 45 kg of sugar a day for 3 days, and then 77 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
  32. 32.A shop sells an average of 29 kg of sugar a day for 4 days, and then 67 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
  33. 33.A shop sells an average of 57 kg of sugar a day for 2 days, and then 62 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
  34. 34.Marks of 4 friends in a quiz: 74, 91, 91, 64. What is their average mark?
  35. 35.The average of 4 numbers is 26. When one more number is added, the average becomes 30. What number was added?
  36. 36.A shop sells an average of 33 kg of sugar a day for 3 days, and then 30 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  37. 37.The average weight of 9 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
  38. 38.Ananya’s batting average after 5 innings is 34 runs. How many runs must Ananya score in the next innings to raise the average to 35?
  39. 39.Marks of 6 friends in a quiz: 46, 46, 32, 50, 29, 37. What is their average mark?
  40. 40.The average weight of 9 children is 36 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?

Answer key

  1. 51
  2. 71
  3. 82
  4. 68
  5. 25
  6. 39
  7. 59
  8. 76
  9. 32
  10. 44
  11. 70
  12. 78
  13. 61
  14. 54
  15. 47
  16. 97
  17. 77
  18. 28
  19. 27
  20. 31
  21. 50
  22. 40
  23. 43
  24. 36
  25. 37
  26. 26
  27. 62
  28. 75
  29. 66
  30. 72
  31. 65
  32. 48
  33. 60
  34. 80
  35. 46
  36. 31
  37. 29
  38. 40
  39. 40
  40. 35

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